1661796180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11821}}^1$

素因数の和:11918

約数の個数: 144

約数和(自身を含む): 5576957568

約数和(自身を除く): 3915161388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 495, 639, 660, 710, 781, 852, 990, 1065, 1278, 1420, 1562, 1980, 2130, 2343, 2556, 3124, 3195, 3905, 4260, 4686, 6390, 7029, 7810, 9372, 11715, 11821, 12780, 14058, 15620, 23430, 23642, 28116, 35145, 35463, 46860, 47284, 59105, 70290, 70926, 106389, 118210, 130031, 140580, 141852, 177315, 212778, 236420, 260062, 354630, 390093, 425556, 520124, 531945, 650155, 709260, 780186, 839291, 1063890, 1170279, 1300310, 1560372, 1678582, 1950465, 2127780, 2340558, 2517873, 2600620, 3357164, 3900930, 4196455, 4681116, 5035746, 5851395, 7553619, 7801860, 8392910, 9232201, 10071492, 11702790, 12589365, 15107238, 16785820, 18464402, 23405580, 25178730, 27696603, 30214476, 36928804, 37768095, 46161005, 50357460, 55393206, 75536190, 83089809, 92322010, 110786412, 138483015, 151072380, 166179618, 184644020, 276966030, 332359236, 415449045, 553932060, 830898090, 1661796180]

約数ペア:

[(1, 1661796180), (2, 830898090), (3, 553932060), (4, 415449045), (5, 332359236), (6, 276966030), (9, 184644020), (10, 166179618), (11, 151072380), (12, 138483015), (15, 110786412), (18, 92322010), (20, 83089809), (22, 75536190), (30, 55393206), (33, 50357460), (36, 46161005), (44, 37768095), (45, 36928804), (55, 30214476), (60, 27696603), (66, 25178730), (71, 23405580), (90, 18464402), (99, 16785820), (110, 15107238), (132, 12589365), (142, 11702790), (165, 10071492), (180, 9232201), (198, 8392910), (213, 7801860), (220, 7553619), (284, 5851395), (330, 5035746), (355, 4681116), (396, 4196455), (426, 3900930), (495, 3357164), (639, 2600620), (660, 2517873), (710, 2340558), (781, 2127780), (852, 1950465), (990, 1678582), (1065, 1560372), (1278, 1300310), (1420, 1170279), (1562, 1063890), (1980, 839291), (2130, 780186), (2343, 709260), (2556, 650155), (3124, 531945), (3195, 520124), (3905, 425556), (4260, 390093), (4686, 354630), (6390, 260062), (7029, 236420), (7810, 212778), (9372, 177315), (11715, 141852), (11821, 140580), (12780, 130031), (14058, 118210), (15620, 106389), (23430, 70926), (23642, 70290), (28116, 59105), (35145, 47284), (35463, 46860)]